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Bos taurus vs. Bos indicus - Beef Improvement Federation

Bos taurus vs. Bos indicus - Beef Improvement Federation

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Working Hypothesis <br />

Reducing progesterone concentra5ons during development <br />

of the follicular wave would: <br />

Progesterone causes an LH (Roberson et al., 1989; Dias et al., 2009) <br />

Increase dominant follicle growth and diameter (Carvalho et al., 2008) <br />

Increase pre-­‐ovulatory estradiol produc5on (Sirois and Fortune, 1990) <br />

Enhance oocyte viability (Revah and Butler, 1996) <br />

Enhance subsequent luteal func5on (Butler et al., 1996) <br />

Increase estrous response and concep5on rates <br />

to AI and 5med-­‐AI <br />

Courtesy Brandy Sparks, Purdue <br />

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